Poly tarps aren't well suited for covering goods that involve breathability due to the fact poly tarps would not have sufficient Room in between their particles to enable the passage of air. Pergola has to be attached to the house a arbor / arbour or gazebo will not be hooked https://izmir-tente05826.oneworldwiki.com/6660792/izmir_pergola_can_be_fun_for_anyone